【英语作文,描写种植物的过程.】-查字典问答网
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  【英语作文,描写种植物的过程.】

  英语作文,描写种植物的过程.

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2020-07-2512:25
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施坤林

  Whileplantingdifferenttypesoftreesdiffersinthedetails,alltreeseventuallyendupinahole.Butnotanyoldholewilldo.

  Themostcommonmistakewhenplantingatreeisadigginghole,whichisbothtoodeepandtoonarrow.Toodeepandtherootsdon’thaveaccesstosufficientoxygentoensurepropergrowth.Toonarrowandtherootstructurecan’texpandsufficientlytonourishandproperlyanchorthetree.

  Asageneralrule,treesshouldbetransplantednodeeperthanthesoilinwhichtheywereoriginallygrown.Thewidthoftheholeshouldbeatleast3timesthediameteroftherootballorcontainerorthespreadoftherootsinthecaseofbareroottrees.Thiswillprovidethetreewithenoughworkedearthforitsrootstructuretoestablishitself.

  Whendigginginpoorlydrainedclaysoil,itisimportanttoavoid‘glazing’.Glazingoccurswhenthesidesandbottomofaholebecomesmoothedformingabarrier,throughwhichwaterhasdifficultypassing.Tobreakuptheglaze,useaforktoworkthebottomanddragthepointsalongthesidesofthecompletedhole.Also,raisingthebottomoftheholeslightlyhigherthanthesurroundingarea.Thisallowswatertodisperse,reducingthepossibilityofwaterpoolingintheplantingzone.

2020-07-25 12:28:01
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